UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'G0i3Kts32aRVsOPuXqofGcf6V9F1onX1QSfVirQ+kEA=' 
WHERE 
  key_id = 'cf76e1f9dc604c5ca8277bfce068de953c568b33b0a980b07aee2ae2f38be004' 
  AND (
    token = 'G0i3Kts32aRVsOPuXqofGcf6V9F1onX1QSfVirQ+kEA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )